Base | Representation |
---|---|
bin | 1100000011001100… |
… | …00100011100111000 |
3 | 121200211221210212021 |
4 | 12001212010130320 |
5 | 101222104122424 |
6 | 2545533324224 |
7 | 316212234220 |
oct | 60146043470 |
9 | 17624853767 |
10 | 6469207864 |
11 | 281a776689 |
12 | 1306636674 |
13 | 7c135c462 |
14 | 45526b080 |
15 | 27ce1c4e4 |
hex | 181984738 |
6469207864 has 32 divisors (see below), whose sum is σ = 13923151200. Its totient is φ = 2760405120.
The previous prime is 6469207831. The next prime is 6469207867. The reversal of 6469207864 is 4687029646.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6469207867) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239407 + ... + 265054.
It is an arithmetic number, because the mean of its divisors is an integer number (435098475).
Almost surely, 26469207864 is an apocalyptic number.
It is an amenable number.
6469207864 is an abundant number, since it is smaller than the sum of its proper divisors (7453943336).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6469207864 is a wasteful number, since it uses less digits than its factorization.
6469207864 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 504703 (or 504699 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 52.
The square root of 6469207864 is about 80431.3860629046. The cubic root of 6469207864 is about 1863.3039384709.
The spelling of 6469207864 in words is "six billion, four hundred sixty-nine million, two hundred seven thousand, eight hundred sixty-four".
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